Adapter



FIG. 1 is a front elevational view of an Adapter showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof.

The broken lines in the drawings depict portions of the Adapter that form no part of the claimed design. 

CLAIM The ornamental design for an Adapter, as shown and described. 